VBR formed a slightly disproportionate share when compared to the number of procedures, due to the higher average selling prices commanded by VBR devices. The ALIF and PLIF markets will lose considerable market share as they face a decline in procedure numbers. The market segment including all standalone devices overlaps with many of the standard devices described above. This report also offers an estimate for the standalone market as a whole. Growth is expected to slow over the forecast period due to a deceleration in procedure number growth as well as a marked decline in average selling prices. The advent of more high quality and innovative motion preservation and MIS technologies is expected to contribute to this decelerating growth over the forecast period.

The most notable of these technologies are cervical artificial discs and MIS sacroiliac joint fusion implant systems, the markets for both of which are expected to grow rapidly. The ASP of the overall market will remain fairly stable due to decreasing prices within the PEEK segment itself, among others. Furthermore, increased competition will also contribute to the pricing pressures imposed on the market. Interbody (IB) devices are designed to replace the intervertebral discs of the spine, which enhances stability in the region and promotes fusion between the two vertebral bodies. These devices are threaded, allowing them to be used in conjunction with bone graft material. Over time, the packed graft is gradually replaced by natural bone, forming a solid piece. IB fusion procedures typically add a posterior fixation device to the associated level. These procedures are often referred to as 360° fusions, as surgeons will implant interbody devices from an anterior approach and flip the patient over to implant a posterior pedicle screw device. This combination increases the fusion success rate over an interbody fusion device implantation without the addition of fixation devices.